19456468

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 17799212

約数列:

[1, 2, 4, 31, 41, 43, 62, 82, 86, 89, 124, 164, 172, 178, 356, 1271, 1333, 1763, 2542, 2666, 2759, 3526, 3649, 3827, 5084, 5332, 5518, 7052, 7298, 7654, 11036, 14596, 15308, 54653, 109306, 113119, 118637, 156907, 218612, 226238, 237274, 313814, 452476, 474548, 627628, 4864117, 9728234, 19456468]

約数ペア:

[(1, 19456468), (2, 9728234), (4, 4864117), (31, 627628), (41, 474548), (43, 452476), (62, 313814), (82, 237274), (86, 226238), (89, 218612), (124, 156907), (164, 118637), (172, 113119), (178, 109306), (356, 54653), (1271, 15308), (1333, 14596), (1763, 11036), (2542, 7654), (2666, 7298), (2759, 7052), (3526, 5518), (3649, 5332), (3827, 5084)]